An office building burns in Tokyo after an earthquake March 11, 2011. A massive 8.9 magnitude quake hit northeast Japan on Friday, causing many injuries, fires and a four-meter (13-foot) tsunami along parts of the country's coastline, NHK television and witnesses reported. There were several strong aftershocks and a warning of a 10-meter (32-foot) tsunami following the quake, which also caused buildings to shake violently in the capital Tokyo. (photos: REUTERS/Kyodo)

People take shelter as a ceiling collapses in a bookstore during an earthquake in Sendai, northeastern Japan March 11, 2011.

An office building burns in Tokyo after an earthquake March 11, 2011. A massive 8.9 magnitude quake hit northeast Japan on Friday, causing many injuries, fires and a four-meter (13-foot) tsunami along parts of the country's coastline, NHK television and witnesses reported. There were several strong aftershocks and a warning of a 10-meter (32-foot) tsunami following the quake, which also caused buildings to shake violently in the capital Tokyo. (photos: REUTERS/Kyodo)

People take shelter as a ceiling collapses in a bookstore during an earthquake in Sendai, northeastern Japan March 11, 2011.